&lt;title&gt;Development of a pulse heating thermographic NDT technique for detection of latent blister in corrosion protective coating on oil storage tank&lt;/title&gt;

Sakagami, Takahide; Kubo, Shiro; Sekine, Kazuyoshi; Yamada, Minoru; Nakata, Katsuyasu; Maruyama, Hiroaki

doi:10.1117/12.421038

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Pulse Heating Thermography1

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“…When pulse heat flux is applied to the test sample with defects, defects can be identified from localized high temperature regions appearing on the objective surface just above the defects. The present authors [3] investigated the feasibility of pulse heating thermography for detecting invisible latent corrosion damages under the paint coating. Figure 1 shows the pulse thermography system employed for the field test in crude oil storage tank.…”

Section: Pulse Heating Thermographymentioning

confidence: 99%

Nondestructive evaluation technique using infrared thermography and terahertz imaging

et al. 2016

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Nondestructive testing (NDT) techniques using pulse heating infrared thermography and terahertz (THz) imaging were developed for detecting deterioration of oil tank floor, such as blister and delamination of corrosion protection coating, or corrosion of the bottom steel plate under coating. Experimental studies were conducted to demonstrate the practicability of developed techniques. It was found that the pulse heating infrared thermography was utilized for effective screening inspection and THz-TDS imaging technique performed well for the detailed inspection of coating deterioration and steel corrosion.

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Section: Pulse Heating Thermographymentioning

confidence: 99%